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[MSan] Linker-initialize static fallback_mutex in msan_allocator.cc
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Authored by alekseyshl on Jun 13 2018, 12:59 PM.

Reviewers

morehouse
eugenis

Commits

Summary

static fallback_mutex in msan_allocator.cc does not need the ctor
call and can be linker initialized.

This revision is now accepted and ready to land.Jun 14 2018, 11:20 AM

This revision was automatically updated to reflect the committed changes.

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compiler-rt/

trunk/

lib/

msan/

2 lines

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	#endif			#endif
	typedef SizeClassAllocatorLocalCache<PrimaryAllocator> AllocatorCache;			typedef SizeClassAllocatorLocalCache<PrimaryAllocator> AllocatorCache;
	typedef LargeMmapAllocator<MsanMapUnmapCallback> SecondaryAllocator;			typedef LargeMmapAllocator<MsanMapUnmapCallback> SecondaryAllocator;
	typedef CombinedAllocator<PrimaryAllocator, AllocatorCache,			typedef CombinedAllocator<PrimaryAllocator, AllocatorCache,
	SecondaryAllocator> Allocator;			SecondaryAllocator> Allocator;

	static Allocator allocator;			static Allocator allocator;
	static AllocatorCache fallback_allocator_cache;			static AllocatorCache fallback_allocator_cache;
	static SpinMutex fallback_mutex;			static StaticSpinMutex fallback_mutex;

	void MsanAllocatorInit() {			void MsanAllocatorInit() {
	SetAllocatorMayReturnNull(common_flags()->allocator_may_return_null);			SetAllocatorMayReturnNull(common_flags()->allocator_may_return_null);
	allocator.Init(common_flags()->allocator_release_to_os_interval_ms);			allocator.Init(common_flags()->allocator_release_to_os_interval_ms);
	}			}

	AllocatorCache GetAllocatorCache(MsanThreadLocalMallocStorage ms) {			AllocatorCache GetAllocatorCache(MsanThreadLocalMallocStorage ms) {
	CHECK(ms);			CHECK(ms);
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